. . . . . . . "antacid"@en . . . . . "antacid"@en . . . . . "antacid"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "substance which neutralizes stomach acidity, used to relieve heartburn, indigestion or an upset stomach"@en .